Solving Graphically
Key Questions
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Answer:
See below
Explanation:
- One or both of the equations are not graphed correctly.
- Student does not realize that the solution is the intersection of the equations.
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Yes, it is not possible to draw a picture for an equation if it has more than three variables.
I hope that this was helpful.
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3 possibilities are possible with a system of equations.
Scenario I - Infinite Solutions (All real numbers)
The linear equations the same.
Scenario II - No solution
The linear equations are parallel so they never touch.
Scenario III - 1 solution
The linear equations intersect and the ordered pair is the solution.
Please see the video example below.